body {
  background:rgb(237,237,237);
  font-family:""microsoft yahei",simhei;
}
#main {
  position:absolute;
  width:500px;
  height:430px;
  top:50%;
  left:50%;
  margin-left:-250px;
  margin-top:-215px;
  background:#FFF;
}
#main .title {
  margin:20px 0px;
  text-align:center;
  color:rgba(57,187,170,1);
  font-size:50px;
}
#main .item {
  margin:20px 20px;
}
#main .item input {
  height:50px
}
#main .buttonWrap {
  margin:20px 20px;
}
#main .buttonWrap button {
 width:100%;
 height:50px;
 background:#B3B3B3;
 background:rgba(57,187,170,1);
 color:#FFF;
 text-align:center;
}